Home / 307,622.70-461,506.95-157,886.10

Finding the Fourth Proportional to 307,622.70, 461,506.95 and 157,886.10

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Solution

The fourth proportional to 307,622.70, 461,506.95 and 157,886.10 is: 236,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622.70 : 461,506.95 = 157,886.10 : x
  2. Step 2: Convert to fraction form
    307,622.70/461,506.95 = 157,886.10/x
  3. Step 3: Cross multiply
    307,622.70x = 461,506.95 × 157,886.10
  4. Step 4: Simplify right side
    307,622.70x = 72,865,532,458.40
  5. Step 5: Solve for x
    x = 72,865,532,458.40/307,622.70
  6. Step 6: Final answer
    x = 236,866.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.